Microservicescông việc

...production-ready code Collaborate professionally with remote teams Required Skills Frontend Development React, , React Native TypeScript, JavaScript (ES6+) Redux Toolkit, React Query Tailwind CSS, HTML5, CSS3 Responsive UI design Progressive Web Apps (PWA) Backend and API Development Node.js, Java, Python, Go, C#, or .NET Core Flask, FastAPI, or Django REST APIs, GraphQL, or gRPC Microservices architecture Machine Learning and AI TensorFlow, PyTorch, Scikit-Learn, or similar frameworks Experience working with LLMs and modern AI frameworks Prompt engineering, RAG, or vector databases is a plus Cloud and DevOps AWS, Azure, or Google Cloud Platform Docker and Kubernetes CI/CD pipelines and deployment practices Data and Systems SQL or NoSQL databases (PostgreSQ...

...high-quality, scalable solutions within defined timelines. You will collaborate with our internal engineering, design, and product teams to build and enhance modern web applications using a microservices and micro frontend architecture. Scope of Work Frontend Development (Angular) Develop and enhance responsive UI components using Angular Implement reusable modules and scalable frontend architecture Integrate APIs and backend services Optimize performance, accessibility, and responsiveness Collaborate with UI/UX designs and wireframes Backend Development (Node.js / ) Build and maintain RESTful APIs and microservices Implement business logic and integrations Ensure API security, scalability, and performance Manage authentication and authorization flows Debug and resolve ...

...multiple operational branches Independent pricing per city/zone 10. Security & Technical Requirements Scalable cloud infrastructure API-based architecture Secure authentication (JWT / OAuth) Data encryption GDPR-compliant (if applicable) Admin activity logs Backup system 11. Performance & Scalability The system should support: High number of concurrent users Real-time updates Microservices architecture (preferred) Clean UI/UX design Deliverables Expected from Development Team Web Admin Panel Customer Website Courier App (Android & iOS) Customer App (optional but preferred) Backend API Database architecture Deployment & DevOps setup Documentation Post-launch support Proposal Requirements Interested development teams should provide: Estim...

Hiring: 5G RAN Protocol Developer • Experience: 3–8 Years • Employment Type: Full-Time (FTE) • Notice Period: Immediate Joiners Preferred Key Requirements: • Hands-on experience in LTE/5G NR – Layer 1, Layer 2, Layer 3 • Strong expertise in MAC Scheduler & 3GPP specifications • Experience in gNodeB development and debugging • Good knowledge of TCP/IP...Notice Period: Immediate Joiners Preferred Key Requirements: • Hands-on experience in LTE/5G NR – Layer 1, Layer 2, Layer 3 • Strong expertise in MAC Scheduler & 3GPP specifications • Experience in gNodeB development and debugging • Good knowledge of TCP/IP, UDP, SCTP • Strong coding skills in C/C++ • Experience with Git, Gerrit, Jira & Agile me...

...(Layer 1, Layer 2, Layer 3) Proven capability in LTE/5G NR protocol stack development Deep understanding of L1–L2 and L2–L3 interfaces Working knowledge of networking protocols (TCP/IP, UDP, SCTP) Strong C/C++ development capability for telecom systems Experience working within Agile delivery models Familiarity with Git, Gerrit, Jira-based workflows Exposure to cloud-native technologies (microservices, containers) is an added advantage...

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I’m ready to move our Kubernetes workloads on AWS into a fully automated production-grade release flow and need an expert who can stand up Spinnaker via the Spinnaker Operator to make that happen. Here...snippets, and any custom pipeline JSON so we can reproduce or extend it later. Acceptance criteria – A working Spinnaker UI reachable from the cluster, showing at least one pipeline successfully pushing a sample application to the production namespace. – All configuration stored in version-controlled manifests so changes are auditable. – Clear hand-off notes explaining how to add new microservices to the same automated flow. If you’ve already rolled out Spinnaker Operator in AWS and can demo a running pipeline, I’d love to tap your ...

...acronyms so new engineers can get up to speed quickly. I can provide current source diagrams, codebase access, and SME interviews. The final documents should be delivered in editable formats (Markdown plus embedded / Lucidchart diagrams or equivalent) so our team can maintain them over time. If you have a track record writing system architecture documentation, especially for SaaS or microservices-based products, I’d love to see a sample. Clear English, logical structure, and consistency are essential....

Hello Mustafa, I have reviewed your project and I am the right fit as I specialize in deploying com...correctly. Routing: isolating traffic so it does not interfere with Laravel's routing. Security: I will bind the internal service to localhost only or use UFW to block external access to the specific port, forcing all traffic through the secure Nginx layer. Experience: I have extensive experience managing Linux servers and Nginx/PHP-FPM stacks. I have deployed numerous Go and Node.js microservices, ensuring 100% uptime and seamless integration with main web apps. Deliverables: Fully configured gblicense on HTTPS. Nginx & Systemd config files. I can complete this within 2 days. Do you plan to host this on a subdomain (e.g., ) or a subpath? Best regards, Anshu K.

Key Responsibilities: • Design, develop, and deploy AI/ML solutions end-to-end • Lead AI architecture and solution design for ...proficiency in Python and data processing libraries (NumPy, Pandas) • Hands-on experience with TensorFlow, PyTorch, Scikit-learn • Strong understanding of Deep Learning, NLP, Computer Vision • Experience with Model Deployment & MLOps pipelines • Experience working with Cloud platforms (AWS / Azure / GCP) • Strong knowledge of Data Engineering & Big Data tools • Experience with REST APIs and Microservices • Excellent analytical and communication skills • Experience with Generative AI and LLM frameworks • Knowledge of Docker, Kubernetes • Experience with AutoML and model optimization techniq...

...SETUP GUIDE AWS Accounts Dev environment Staging environment PoC production sandbox Required Services Enabled S3 Lambda API Gateway Glue Redshift / Aurora SageMaker Neptune (optional AML graph) CloudWatch GuardDuty IAM / KMS 6. CI/CD PIPELINE GitHub / GitLab repository Branch protection rules Automated Terraform deployment Lambda deployment pipelines Automated unit tests Container builds (if microservices used) 7. TESTING STRATEGY Required Tests ingestion integrity tests schema validation tests compliance rule accuracy tests stress testing scenario tests fraud detection simulation tests security penetration testing 8. DELIVERY CHECKPOINTS Week 2 — Infrastructure Ready Week 4 — Data ingestion working Week 6 — Compliance engine working Week 8 — Stress tes...

...weather updates Technical Requirements Custom signaling server Custom media server or streaming pipeline Strong experience with low-latency audio and video systems Understanding of SFU and MCU architectures Mobile App: Flutter, React Native, or Native Android and iOS Backend: Node.js, Go, or Rust (proposal-based) Database: PostgreSQL, MongoDB, Redis Scalable and secure architecture (microservices preferred) Secure wallet and affiliate system Full source code and technical documentation required Who Should Apply Proven experience in building custom real-time communication platforms Strong knowledge of WebRTC internals, RTP/RTCP, and signaling Experience with media servers and real-time streaming Experience with wallet, fintech, or affiliate systems Strong DevOps a...

...CISCO LTD July 2025 - Now Project Description: RAIDN is an enterprise-grade project portal developed for CISCO to manage, monitor, and streamline internal project workflows, data processing, and user interactions across multiple teams. The platform is built using a microservices architecture to ensure scalability, high availability, and performance. Roles & Responsibilities: Designed and developed scalable backend microservices using Java and Spring Boot, following RESTful and domain-driven design principles. Implemented microservices architecture with inter-service communication and centralized configuration. Developed event-driven workflows using Apache Kafka for asynchronous data processing and system decoupling. Integrated Redis caching to improve applicatio...

...with clear README and environment files so I can spin up the stack locally via Docker. • CI/CD pipeline to a cloud provider of your choice; I’m fine with AWS, GCP, or Azure as long as deployments are automated and rollback is simple. • Thorough API and end-to-end testing; automated test coverage is a must for critical flows like payments and authentication. Deliverables 1. Source code for all microservices, web front-end, and both mobile apps. 2. Database schema scripts or IaC templates. 3. API documentation (OpenAPI/Swagger preferred). 4. Build, deployment, and release notes. 5. A short handover session to walk through the repo and CI/CD pipeline. If you’ve shipped production-grade microservice stacks and can get sleek, stable apps onto both App Store and...

...application. 4) User authentication and authorization. 5) Integration with standard third-party services: a) Payment gateways. b) Messaging and notification services. c) Identity verification and digital signature services (optional for MVP). 6) Logging, error handling, and baseline security best practices. Preferred technologies (not exclusive) 1) Backend: Node.js and/or Python. 2) Modular or microservices-based architecture. 3) Relational database (PostgreSQL or equivalent). 4) Cloud infrastructure (AWS, GCP, or similar). 5) Use of widely adopted third-party services for payments, communications, and identity. What we are requesting - Cost estimation for: a) Backend MVP development. b) A technical foundation prepared for functional and technical scaling. - Estimated delivery ...

...architecture, train it end-to-end, and fine-tune until we hit 90-95 % word-level accuracy on my validation set. Please incorporate best-practice techniques such as mixed-precision training, hyper-parameter tuning jobs, and automatic model versioning so we can reproduce results later. Finally, the trained model must be packaged as a SageMaker endpoint that plugs directly into my existing microservices (REST/JSON). Provide concise, commented inference code and a brief deployment guide so my team can move it into production with minimal friction. Deliverables • Data preprocessing scripts/notebooks (Python, boto3, SageMaker SDK) • Training and tuning jobs with logs and metrics captured in CloudWatch • Trained model artifact and deployed real-time endpoint ...

I’m expanding a cloud-native platform and need a hands-on Java specialist who can comfortably navigate our AWS stack while lending light support to the React front-end and a couple of Python utilities. Core work will revolve around building and optimising Java microservices that run in Lambda, interact with API Gateway, DynamoDB, and S3, and expose clean, well-tested endpoints to the React client. Alongside the usual feature work, we’re beginning to weave in basic AI functionality—simple model inference, small-scale data pipelines, and a bit of NLP where it makes sense—so any prior experience wiring up popular ML frameworks or hosted AI APIs will put you ahead of the curve. If you decide to apply, point me to past projects that show: • Solid Java engin...

...Natural Language Processing and automated data extraction. The proof of concept works; now I need a seasoned technical leader to turn it into a secure, scalable SaaS. You will own the high-level architecture and guide a small engineering team so that every layer—from model serving to front-end delivery—can grow without drama. Cloud-agnostic design, container orchestration, CI/CD pipelines, microservices or modular monoliths: I’m open to whatever will give us low latency, predictable costs, and clean deployment workflows, provided we end up with true end-to-end encryption for all customer data, both at rest and in transit. Key areas where I need your expertise • Selecting and refining our NLP stack (e.g., spaCy, Hugging Face Transformers, RAG approaches) a...

Need Java Backend engineer with AWS experience To design few microservices, highly scalable and available

...complex past projects, and explain architectural decisions with extreme confidence and clarity. Key Requirements: - Native or Bilingual English: You must be able to articulate complex technical concepts fluently and persuasively. - Deep Engineering Background: Real-world experience with [Java/Spring, Node.js, Python, or AWS...etc]. You must know how to discuss trade-offs (e.g., SQL vs. NoSQL, Microservices vs. Serverless). - Architectural Fluency: Ability to speak about system design, scalability, and security as if you built the systems yourself. - Confidence: Ability to handle high-pressure technical discussions and "own the room" during a call. What you will do: - Review our project requirements and internal documentation. - Join technical calls as a representati...

I'm seeking an expert to troubleshoot Keda and Kafka issues with scalability solutions in my microservices architecture. We are working with transaction data streams. Key Requirements: - Design and implement Keda-based autoscaling for Kafka consumers. - Optimize Kafka setups for high throughput and low latency. - Ensure robust handling of transaction data streams. - Collaborate to integrate solutions within existing microservices. - Document the architecture and provide a knowledge transfer session. Ideal Skills and Experience: - Strong experience with Keda, Kafka, and microservices. - Proficiency in cloud-native architectures. - Solid understanding of transaction data processing. - Excellent documentation and communication skills. Your expertise will help en...

...fit for treatment approve them, Manage payments, and Patients and their care takers /companion / relatives / etc receive our personal accompanied guided support from us and all ancillary services towards treating patients / customers / End user. We need an experienced full-stack Developer or Full stack developer team to deliver our minimal viable product (monolithic build, later scalable to microservices on iteration) * Patient Onboarding(5-step wizard, document uploads, consents) * Admin Dashboard (case triage, role-based access, messaging, Wallet amount disbursals, In app notifications , Whatsapp notifications, Email notifications) * Multi-Currency Wallet (via Razorpay/Stripe/Paytm, patient deposits only, no access of wallet amount withdrawal) * Provider Onboarding ( interest...

I’m looking to get a production-ready DevOps foundation in place for a microservices-based product. The immediate priorities are: • CI/CD pipeline setup – automated build, test and deploy flows that can promote services from feature branch to production with minimal manual touchpoints. • Infrastructure as Code – reproducible, version-controlled environments. I’m happy to work with Terraform, CloudFormation or a similar IaC tool if you have a strong preference. • Monitoring & Logging – service-level metrics, aggregated logs and alerting so we can spot issues before users do. Prometheus, Grafana, ELK, or comparable stacks are all acceptable. I will provide access to the cloud accounts and repositories; you bring the expertise to d...

...role for someone who can design scalable AI pipelines, ship fast, and think like a system architect. -What You Will Build AI pipelines that analyze recorded conversations (speech → text → structured insights) LLM-based systems for summarization, classification, objection detection, and recommendations RAG pipelines with embeddings, vector search, reranking, and evaluation Scalable FastAPI microservices for AI inference Cost-efficient and low-latency LLM workflows Production-ready systems with monitoring, evals, and performance optimization -Required Experience We are only looking for candidates with real production AI experience, including: Python + FastAPI LLM APIs (OpenAI / Claude / Gemini) RAG pipelines (embeddings, vector DBs, retrieval optimization) Experience sh...

...traditional finance module** * **On-chain insurance pool (AQEL)** and **on-chain trust pool (AQEF)** * Node Seat–based **revenue sharing** * Full **AML / compliance monitoring** * Advanced **real-time data visualization and transparency** --- ## **3. Overall Technical Scope** ### **3.1 Mandatory Architecture Requirements** Bidders must propose a production-grade architecture covering: * Backend: Microservices architecture (Java / Go / Node.js acceptable; rationale required) * Frontend: Web (React or Vue); Mobile optional * Real-time data: WebSocket * Event streaming: Kafka or equivalent * Databases: MySQL / PostgreSQL + Redis * Blockchain: EVM-compatible (NFTs, tokens, on-chain events) * Security: RBAC, audit logs, AML integration * Deployment: Docker-based CI/CD --...

Project Context: We are an EdTech/Streaming platform with a solid backend built in NestJS (Microservices). The code was recently audited and rated 8/10 in quality. However, we are facing critical issues with the production environment, video processing speed, and the user interface. The Mission (Fixed Price Contract): We are looking for a Senior Expert to take over, clean the server mess, optimize video processing, and launch a new UI. Scope of Work (5 Key Pillars): 1. Server Rescue & Data Safety (CRITICAL PRIORITY): Access the live server (SSH) and clean up the chaotic Docker/Nginx configurations left by the previous dev. Map Existing Data: We have 60TB of HLS video data on the server. You must map this volume correctly to the new Docker containers so the platform works wi...

...has spent five or more years writing and refining playbooks—to take full ownership of our automation layer. All of our workloads sit in an on-premises environment, and your mission is to turn the provisioning, configuration, patching, and deployment of those systems into a fully reproducible, Jenkins-driven process. What you will be working on • Web servers, database servers, and a growing microservices stack that includes MongoDB and ELK. • Creation and maintenance of reusable roles, dynamic inventories, and supporting shell/YAML scripts. • Tight integration of these playbooks with our existing Jenkins pipeline so every commit can be tested, linted, and promoted seamlessly through dev, test, and prod. • Continuous optimisation and troubleshooti...

I need to build a travel booking platform with three user roles: Traveler (User) Operator Admin The system should be secure, scalable, and built with modern technologies. Backend Architecture: Microservices User Service Operator Service Admin Service Base/Common Service Tech Stack: Java 17 or 21 Spring Boot 3.x Maven REST APIs Database: PostgreSQL Cache: Redis (sessions, OTP, caching) Search: Elasticsearch (optional) DB Migration: Flyway or Liquibase (optional) Authentication & Security JWT authentication Spring Security Role‑based access (User, Operator, Admin) Password hashing (BCrypt) OTP / MFA Account lockout & password policies CORS configuration API keys for third‑party integrations Features by Role (Web) Signup / Login Create travel enquiries View booking his...

...Design and implement prioritized ERP modules, including: Sales automation E-commerce HR management CRM features (contacts, pipelines, ticketing) Design and expose clean, well-documented REST APIs to support future integrations. Integrate AI-driven features such as demand forecasting, lead scoring, and support ticket triage using tools and frameworks you’re comfortable with (e.g., Python microservices, TensorFlow, OpenAI, or similar), ensuring seamless integration with the core stack. Guide and collaborate with developers who are newer to AI, helping establish best practices and workflows. Ensure strict tenant isolation, security, and scalability across the platform. Own the cloud delivery pipeline, including AWS deployment, Docker containerization, CI/CD pipelines,...

...just a copy of WordPress". I need to verify if this is true or false. The Tech Stack (Based on the Repo): Architecture: Microservices (API, Media API, Video Processing Worker, Storage Server). Backend: NestJS (TypeScript), TypeORM. Frontend: , React, Tailwind CSS. Database: PostgreSQL. DevOps: Docker, Docker Compose, PM2. Your Task: I will provide you access to the GitHub repository. You need to: Review the Code Structure: deeply analyze the back and front folders. Analyze the Database Schema: Verify if the database is properly designed using TypeORM entities or if it's truly a "messy dump" from a CMS. Check the Architecture: Evaluate the microservices setup (specifically the lms-processing-worker and storage-server). Try to Run it (Optional ...

...is a "Master Developer" role where you will be responsible for the architecture, security, and deployment of multiple projects within our roadmap. The Roadmap: • Phase 1: Finalize backend and native mobile integration for a high-fidelity media platform (Full frontend and "Engineering Cannon" documentation provided). • Ongoing: Development of additional mobile and web applications, shared microservices, and proprietary internal tools. Required Master-Level Skills: • Full-Stack Mastery: React, TypeScript, and Node.js. • Database & Scale: Deep expertise in Supabase, PostgreSQL, and real-time data sync. • Mobile Excellence: Experience with Capacitor or React Native to deploy high-performance iOS/Android apps from a single codebase. &...

I need a seasoned DevOps engineer to take a green-field microservices application all the way from code to production on AWS. The core of the assignment is threefold: stand up a resilient Kubernetes environment, wire it into GitLab CI for automated build-test-deploy flows, and layer in robust monitoring from day one. Here’s how I picture the engagement progressing: • Kubernetes on AWS – whether you lean on EKS or a fully-managed kops setup, the cluster must be production-ready with auto-scaling, self-healing nodes, and sensible IAM roles. • GitLab CI pipelines – every commit should trigger unit tests, container image builds, vulnerability scans, and a staged rollout to dev, staging, and prod namespaces with clear promotion gates. • Monitoring &am...

...Architecture: concurrent background agents performing discovery, applications, and publishing tasks - AI/ML Integration: LLM-powered Q&A generation, merchant communication, and intelligent form filling - Browser Automation: Playwright/Puppeteer for robust multi-page workflows - Real-Time Dashboard: React/ frontend with <3 second load times for 10k+ records - Scalable Backend: Node.js/Python microservices architecture - Comprehensive API: RESTful APIs for all core functionality and third-party integrations Essential Requirements Must Have: - Fluent in English (written and verbal communication is critical) - Master Automation Specialist with proven experience in: - Browser automation (Playwright, Puppeteer, Selenium) - Web scraping and data extraction - Form automat...

...Technical Requirements • Frontend: React Native or Flutter (Cross-platform iOS & Android). • Backend: Node.js, Python (Django/FastAPI), or Go. • Database: PostgreSQL with Supabase or Firebase for real-time features. • Integrations: * Identity: Saudi Nafath (SSO) or Mobile OTP. • Payments: Local gateways (Mada, Apple Pay, STC Pay). • Maps: Google Maps API or Mapbox. • Architecture: Scalable microservices with a focus on real-time booking concurrency. 5. Design Aesthetic • Style: Saudi-Futurism. • UI: Dark mode by default, minimalist cards, neon accents, and smooth haptic-feedback interactions. • Tone: Energetic, premium, and culturally relevant. 6. Deliverables 1. Source code for Mobile App (iOS & Android). 2. Backend API &...

I run a FastAPI-based platform written in Python that has grown to 20+ Dockerised microservices backed by Postgres and instrumented with Datadog. Because I pushed features out quickly, the architecture around service-to-service communication is now the bottleneck: latency spikes, inconsistent data across services, and brittle error-handling paths are starting to show up in production. The first milestone is a thorough architectural walkthrough focused on those three pain points. I need a concise report (code-level findings, diagrams, and clear next-step recommendations) plus a call where we walk through your proposed refactor or redesign. If you can also outline any quick wins that unblock us while the bigger changes are underway, that’s a bonus. Once we have a solid...

I’m looking for a seasoned consultant who can jump straight into our C#/ASP.NET stack, untangle a few legacy knots, and re-architect the backend into clean, scalable microservices. The immediate priorities are twofold: solid backend development and the introduction of AI-driven automation that adds real business value. Here’s what the engagement will cover: • Backend evolution: refactor existing code, design new APIs, and ensure the services are container-ready so we can run them smoothly in Docker and orchestrate with Kubernetes later. • AI workflow creation: weave OpenAI and LangChain into core processes—think intelligent data extraction, conversation agents, or smart decision support—while keeping performance and security front-of-mind. &bu...

I need a Dynatrace-driven, end-to-end observability framework rolled out across several AWS-hosted microservices. The goal is to move from scattered point checks to a single, actionable view that covers infrastructure, runtimes, and user-facing performance. Scope • Instrument every workload that lives on AWS—EC2 instances, container clusters, Lambdas, managed databases, you name it—so that Dynatrace captures golden signals automatically. • Create service topology maps that make call chains and dependencies obvious at a glance. • Design production-ready dashboards focused on CPU / memory usage, response times, and error rates; the layout must let engineers trace an issue from high-level SLO status straight down to the offending log line. • Def...

I’m ready to start a green-field backend built in Java 17+ with Spring Boot. The goal is a production-ready, event-driven microservice suite that exposes well-designed REST APIs, integrates with MySQL, and is easy to scale and maintain. Here’s the core of what I need you to handle: • Design and i...at hand-off: • Source code in a Git repository with clear commit history • SQL migration scripts for the freshly designed schema • Postman or similar collection covering every endpoint • A concise README outlining setup, run, and deployment steps I value frequent check-ins, thoughtful technical decisions, and pragmatic timelines. If you have experience delivering similar Spring Boot microservices with MySQL and event-driven messaging, let&rsquo...

I’m ready to start a green-field backend built in Java 17+ with Spring Boot. The goal is a production-ready, event-driven microservice suite that exposes well-designed REST APIs, integrates with MySQL, and is easy to scale and maintain. Here’s the core of what I need you to handle: • Design and i...at hand-off: • Source code in a Git repository with clear commit history • SQL migration scripts for the freshly designed schema • Postman or similar collection covering every endpoint • A concise README outlining setup, run, and deployment steps I value frequent check-ins, thoughtful technical decisions, and pragmatic timelines. If you have experience delivering similar Spring Boot microservices with MySQL and event-driven messaging, let&rsquo...

...Hands-on experience with AI/LLM integration (OpenAI, LangChain, Claude, NLP, RAG) - Solid understanding of FinTech systems, payments, and secure data handling - Experience with PostgreSQL, MongoDB, Redis - Cloud experience with AWS, Docker, CI/CD - Strong system design and problem-solving skills Nice to Have - Experience with fraud detection, risk analysis, or financial analytics - Knowledge of microservices and event-driven architecture - Familiarity with Kubernetes and advanced cloud scaling strategies What We Offer - Opportunity to build a cutting-edge AI-powered FinTech product - Flexible, consultant-friendly engagement - Long-term collaboration with ongoing enhancements - Competitive compensation based on expertise and impact Ideal Candidate A consultant who can own th...

...experience in IT sales / business development Digital marketers, consultants, or referral partners Anyone with strong professional networks in tech, startups, or businesses Freshers with good communication skills and confidence are also welcome Our Software Development Services We specialize in delivering high-quality, scalable, and custom IT solutions, including: Java / Spring Boot Development Microservices Architecture Web Application Development Mobile Application Development (Android & iOS) AI / ML Integrations React & Angular Frontend Development Custom Enterprise IT Solutions We work with modern technologies and follow best industry practices to deliver reliable and secure software. Why Partner With Us? Strong technical team & proven delivery model Comp...

...large-scale, production-grade digital commerce are seeking highly skilled backend developers to design and implement the complete backend microservices architecture. This engagement is not a small website or a prototype. It is a long-term, enterprise-level platform that will power customer applications, driver operations, admin systems, inventory flows, order lifecycles, payments, and real-time delivery tracking. The backend APIs will be the core foundation of the entire business. The backend system must be developed strictly using Java and the Spring ecosystem (Spring Boot, Spring Security, Spring Data, Spring Cloud where required) and follow a microservices-based architecture. All services will communicate through secure, well-documented REST APIs, using internal JWT-b...

Title: Technical Architect / Solution Architect – Architecture & Design (MVP Platform) We are looking for an experienced Technical Architect / Solution Architect to design the system architecture and provide detailed technical documentation for MVP delivery. Scope / Responsibilities: • Create High-Level Architecture (HLD) and Low-Level Design (LLD) • Define service boundaries / modular design (microservices or modular monolith) • Design database schema (PostgreSQL preferred) • Define REST API contracts (OpenAPI preferred) • Security design: OAuth2/JWT, RBAC, encryption, audit logs • Event-driven design (Kafka or equivalent) for notifications/workflows • AWS architecture recommendation (ECS/EKS, RDS, S3, Redis, OpenSearch) • Non-funct...

My kids’ book-reading app is already live on Google Play, but its current backend ... 2. A responsive admin panel (your choice of React, Angular, or Thymeleaf) tightly coupled to the API 3. Secure data layer (JPA/Hibernate with PostgreSQL or a data store you can justify) 4. Docker-ready deployment scripts plus basic CI/CD instructions 5. Clear README and endpoint documentation that my mobile team can plug into immediately I’m open to your architectural suggestions—microservices, monolith, or hybrid—so long as they keep hosting costs sane while giving us room to grow. If you have previous work with children’s content or media-rich apps, point me to it and tell me how you handled scale and security. Looking forward to seeing how you would stru...

I’ve finished building a MERN-stack web application and now need it running smoothly in the AWS cloud. I don’t have any of the cloud pieces i...subnets, security groups, an application load balancer and HTTPS via ACM. • Automate deployment (GitHub Actions or similar) so each commit flows through to ECS with zero-downtime. • Store environment variables securely in Parameter Store or Secrets Manager. • Provide a concise hand-over document so I can replicate the workflow for future updates. It’s a straightforward web application—no microservices yet—so a single ECS service per container is fine, but I’m open to your best-practice suggestions. Please let me know your anticipated timeline, any AWS tooling you prefer, and a brief n...

...Type: Contract Start Date: ASAP Tech Stack Node.js TypeScript Google Cloud (GCP) Docker Role Overview We’re looking for a Node.js / TypeScript Developer to help build and maintain backend services and APIs on Google Cloud. You will work on scalable microservices with guidance from senior engineers, focusing on code quality, performance, and reliability. This is a hands-on backend role with room to grow. Key Responsibilities Develop and maintain backend services using Node.js and TypeScript Build and support REST APIs and microservices ( / NestJS) Deploy and manage services on Cloud Run, Cloud Functions, or GKE Add and maintain logging, monitoring, and basic metrics Help improve performance, scalability, and reliability Follow security best practices (PII handl...

Platform Architecture Requirement The system must be enterprise-grade, scalable, and secure. Preferred Tech Stack (Must Have) Mobile App: Flutter (Preferred) / React Native Single codebase for Android & iOS Backend: Node.js (NestJS / Express) Microservices-ready architecture Database (Large Data Handling): PostgreSQL / MySQL (Primary – structured data) MongoDB (User activity, logs, flexible schemas) Redis (Caching, sessions, high-speed reads) Cloud & Infra: AWS / GCP / Azure Auto-scaling enabled Load balancer + CDN Object storage (AWS S3 equivalent) Admin & Franchise Panels: Web-based dashboard (React / Angular) Role-based access control Key Functional Requirements Franchise Model Support Central Admin (Super Control) Franchise Admin (City / Zone wise) Franchise-...

...access control baked in from the start, so I can assign roles and protect both controllers and individual actions with ease. • A custom authentication mechanism (no OAuth or JWT this time) that still follows best practices—salted hashing, token-based email confirmations, lock-outs on repeated failures, etc. • Clear, concise documentation so another developer can plug this module into future microservices without confusion, plus a short README that walks me through local setup and key extension points. • Unit- and integration-test projects proving that registration, login, role checks and password reset flows behave exactly as intended. Target framework is the latest stable .NET release; please keep the code idiomatic, leverage dependency injection and ...

...COD controls and automated settlements Multi-channel notifications (SMS, WhatsApp, push) Analytics dashboards for performance, cost, and revenue insights Users of the Platform Platform administrators Brands and business owners Delivery riders Fleet and operations managers Finance and accounts teams External logistics partners Technology Vision The platform will be built on a modern microservices architecture, using scalable cloud infrastructure, secure authentication, real-time communication, and compliance with India’s data protection regulations. Expected Outcome A robust, future-ready logistics platform capable of supporting hundreds of brands and high-volume daily orders, designed for long-term scalability, ecosystem integrations (including ONDC), and enter...